Title: Cheap flights from Bellingham to Pasco ( BLI - PSC) - Expedia.com ![blue bridge over Columbia river in Tri-cities Washington state](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $156 Cheap Flights from Bellingham (BLI) to Pasco (PSC) [View $156 flight on Sat, Apr 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BLI,to:PSC,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:155.20&airProductToken=AQpECiAIyIIBEgQ0NzgxGOFCIJIBKK_cigMw5tyKAzhVQABYAQogCMiCARIENjM4OBiSASDPFCjH3ooDMILfigM4VUABWAESCggBEAEYASoCSEEYASIECAEQASgEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Tri-Cities Airport (PSC) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BLI,to:PSC,departure:3/17/2026TANYT&leg2=from:PSC,to:BLI,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Bellingham to Pasco (BLI-PSC) Prices were available within the past 7 days and start at $156 for one-way flights and $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Apr 28 - Wed, May 13 BLI Bellingham PSC Pasco $271 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/28/2026TANYT&leg2=from:PSC,to:BLI,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:270.40&airProductToken=AQpECiAIwaYBEgQzMjk0GOFCIJIBKLDKiwMw6MqLAzhYQABYAQogCMGmARIEMzM1MxiSASDPFCiSy4sDMNLLiwM4WEABWAEKRAogCMGmARIEMjQyMxjPFCCSASjD84wDMIP0jAM4WEAAWAEKIAjBpgESBDM0MzgYkgEg4UIo1vSMAzCN9YwDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, May 1 - Wed, May 13 BLI Bellingham PSC Pasco $292 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:5/1/2026TANYT&leg2=from:PSC,to:BLI,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:291.40&airProductToken=AQpECiAIwaYBEgQzNDMzGOFCIJIBKIvviwMwxe-LAzhYQABYAQogCMGmARIEMzM1MxiSASDPFCiS-IsDMNL4iwM4WEABWAEKRAogCMGmARIEMjQyMxjPFCCSASjD84wDMIP0jAM4WEAAWAEKIAjBpgESBDM0MzgYkgEg4UIo1vSMAzCN9YwDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Apr 27 - Wed, May 13 BLI Bellingham PSC Pasco $302 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/27/2026TANYT&leg2=from:PSC,to:BLI,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:301.40&airProductToken=AQpECiAIwaYBEgQzNDMzGOFCIJIBKIvCiwMwxcKLAzhYQABYAQogCMGmARIEMzM1MxiSASDPFCiSy4sDMNLLiwM4WEABWAEKRAogCMGmARIEMjQyMxjPFCCSASjD84wDMIP0jAM4WEAAWAEKIAjBpgESBDM0MzgYkgEg4UIo1vSMAzCN9YwDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 29 - Tue, May 12 BLI Bellingham PSC Pasco $310 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/29/2026TANYT&leg2=from:PSC,to:BLI,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:309.70&airProductToken=AQpnCiEIwaYBEgQzMTA1GOFCIO-4ASjC04sDMPvTiwM4WEAAWAEKIAjBpgESAzQ2NRjvuAEgkgEohNaLAzDD1osDOFhAAVgBCiAIwaYBEgQyMzY3GJIBIM8UKPXXiwMwsdiLAzhYQAFYAQpECiAIwaYBEgQyMzY2GM8UIJIBKPbqjAMwtuuMAzhYQABYAQogCMGmARIEMzQ2MBiSASDhQijL7IwDMIPtjAM4WEABWAESCggBEAEYASoCQVMYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, May 3 - Wed, May 13 BLI Bellingham PSC Pasco $312 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:5/3/2026TANYT&leg2=from:PSC,to:BLI,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:311.40&airProductToken=AQpECiAIwaYBEgQzMjk0GOFCIJIBKNCCjAMwiIOMAzhYQABYAQogCMGmARIEMjMwMhiSASDPFCiehowDMNqGjAM4WEABWAEKRAogCMGmARIEMjQyMxjPFCCSASjD84wDMIP0jAM4WEAAWAEKIAjBpgESBDM0MzgYkgEg4UIo1vSMAzCN9YwDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Thu, Apr 2 - Tue, Apr 7 BLI Bellingham PSC Pasco $332 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/2/2026TANYT&leg2=from:PSC,to:BLI,departure:4/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:331.41&airProductToken=AQpECiAIyIIBEgQ0Nzc5GOFCIJIBKOyliQMwoqaJAzhVQABYAQogCMiCARIENjg1OBiSASDPFCjCp4kDMIKoiQM4VUABWAEKRAogCMiCARIENjYxMRjPFCCSASjN3okDMJnfiQM4VUAAWAEKIAjIggESBDY4NDgYkgEg4UIo8N-JAzCn4IkDOFVAAVgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Wed, Apr 1 - Tue, Apr 7 BLI Bellingham PSC Pasco $333 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/1/2026TANYT&leg2=from:PSC,to:BLI,departure:4/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:332.40&airProductToken=AQpECiAIyIIBEgQ0NzgxGOFCIJIBKI-diQMwxp2JAzhVQABYAQogCMiCARIENjg1OBiSASDPFCjCp4kDMIKoiQM4VUABWAEKRAogCMiCARIENjYxMRjPFCCSASjN3okDMJnfiQM4VUAAWAEKIAjIggESBDY4NDgYkgEg4UIo8N-JAzCn4IkDOFVAAVgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, May 5 - Wed, May 6 BLI Bellingham PSC Pasco $337 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:5/5/2026TANYT&leg2=from:PSC,to:BLI,departure:5/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:336.71&airProductToken=AQpmCjEIwaYBEgQzMjk0GOFCIJIBKJCZjAMwyJmMAzhYQABYAWoFU0FWRVJyCFFIMk9YVUJOCjEIwaYBEgQzMzUzGJIBIM8UKPKZjAMwspqMAzhYQAFYAWoFU0FWRVJyCFFIMk9YVUJOCpsBCjEIwaYBEgQzMzUyGM8UIJIBKPeljAMwvKaMAzhYQABYAWoFU0FWRVJyCFFIMk9BU0JOCjIIwaYBEgQxNDA5GJIBIO-4ASj6powDMLqnjAM4WEABWAFqBVNBVkVScghRSDJPQVNCTgoyCMGmARIEMzEwNhjvuAEg4UIovaiMAzD2qIwDOFhAAVgBagVTQVZFUnIIT0gyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAN) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Apr 27 - Fri, May 8 BLI Bellingham PSC Pasco $342 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/27/2026TANYT&leg2=from:PSC,to:BLI,departure:5/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:341.40&airProductToken=AQpECiAIwaYBEgQzNDMzGOFCIJIBKIvCiwMwxcKLAzhYQABYAQogCMGmARIEMzM1MxiSASDPFCiSy4sDMNLLiwM4WEABWAEKRAogCMGmARIEMjMyNxjPFCCSASjEuIwDMIK5jAM4WEAAWAEKIAjBpgESBDMyOTQYkgEg4UIokLqMAzDIuowDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Apr 2 - Fri, Apr 10 BLI Bellingham PSC Pasco $343 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLI,to:PSC,departure:4/2/2026TANYT&leg2=from:PSC,to:BLI,departure:4/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:342.39&airProductToken=AQpECiAIwaYBEgQzMjk0GOFCIJIBKOyliQMwoqaJAzhYQABYAQogCMGmARIEMzA1NxiSASDPFCjCp4kDMIKoiQM4WEABWAEKRAogCMGmARIEMjQwNBjPFCCSASitgIoDMPmAigM4WEAAWAEKIAjBpgESBDM0MzMYkgEg4UIo0IGKAzCHgooDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Pasco Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:BLI,to:PSC,departure:3/17/2026TANYT&leg2=from:PSC,to:BLI,departure:3/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PSC Tri-Cities CheapestClosest 4 min [Flights from $516 ](https://www.expedia.com/Flights-Search?leg1=from:BLI,to:PSC,departure:3/17/2026TANYT&leg2=from:PSC,to:BLI,departure:3/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities) cost? ### What is the cheapest month to fly from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### Which airlines fly direct from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the cheapest airline that flies from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How do I find cheap flights from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the best time to fly from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What is the earliest flight from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### What are the most popular departure times for flights from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How long does it take to fly from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### Can you fly business or first class from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ### How do I earn miles on a Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities) flight with Expedia? ### What airports do you fly into for Pasco from Bellingham Intl. (BLI)? ### Is it cheaper to buy a plane ticket from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities) at the last minute? ### Is it cheaper to book a Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities) flight and hotel package? ### Can I cancel or change the date of my flight from Bellingham, WA (BLI-Bellingham Intl.) to Pasco, WA (PSC-Tri-Cities)? ## Travel information | Origin airport | Bellingham Intl. | | ------------------- | ---------------- | | Destination airport | Tri-Cities | | Airlines serving | Alaska Airlines | | Roundtrip price | $270 | | Distance | 236 mi | ## Book with confidence # Bellingham to Pasco Flights The cheapest times to fly from Bellingham to Pasco On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to Pasco are during the month of April. You can find some of the cheapest flights from Bellingham to Pasco with Expedia's search tool and vast selection of airlines. The best time to book a flight from Bellingham to Pasco Sunday is one of the best days to book for cheap flights from Bellingham to Pasco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Bellingham to Pasco Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to Pasco in 2026\. You can also book with separate airlines for your outbound and return journeys, from $156 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to Pasco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Bellingham to Pasco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - [Pasco Hotels ](https://www.expedia.com/Pasco-Hotels.d2878.Travel-Guide-Hotels) - [Flights to Pasco ](https://www.expedia.com/Cheap-Flights-To-Pasco.d2878.Travel-Guide-Flights) - [Phoenix to Pasco ](https://www.expedia.com/lp/flights/178298/2878/phoenix-to-pasco) - [Dallas to Pasco ](https://www.expedia.com/lp/flights/178253/2878/dallas-to-pasco) \*Available to One Key members.